/* libwatopt++ - Optimization Toolkit
 *
 * Copyright (c) 2007 Christopher Alexander Watford
 * <christopher.watford@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * $Id: opt.hpp 2 2007-05-06 18:01:15Z christopher.watford $
 */

#if _MSC_VER > 1000
#pragma once
#endif /* _MSC_VER > 1000 */

#ifndef _OPT_HPP_
#define _OPT_HPP_

#include <vector>

namespace watopt
{

   class IFitnessImplementation
   {
   public:
	   virtual double Fitness(void) = 0;
      virtual IFitnessImplementation* Perturb(void) = 0;
      virtual IFitnessImplementation* LocalOpt(void) = 0;
      virtual void Neighbors(std::vector<IFitnessImplementation*>& neighbors) = 0;

	   struct FitnessPtrComp
	   {
		   bool operator() (IFitnessImplementation* f1, IFitnessImplementation* f2)
		   { return f1->Fitness() < f2->Fitness(); }
	   };
   };

   class IOptimizer
   {
   public:
	   virtual IFitnessImplementation* Solve(void) = 0;
      virtual void GetSolutions(std::vector<IFitnessImplementation*>& solutions) const = 0;
   };

}

#endif /* !defined(_OPT_HPP_) */